In the us, which has done the most to speed the assimilation of immigrant groups

Which of the following led to a continuation of the treatment in the excerpt above? a)the brutality of the trans-atlantic african slave trade. b)spanish repression after violent native uprisings in new spain during the 16th century. c)european competition to quickly establish colonial holdings in the new world. d)the reliance of the spanish on native americans to provide labor under the encomienda system.

Where did the deafeted chinese nationalist flee to and form a new nation?

Nations that have factories to produce goods are called?